Home / 6,915,768.32-9,534,886.75-5,670,791.24

Finding the Fourth Proportional to 6,915,768.32, 9,534,886.75 and 5,670,791.24

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Solution

The fourth proportional to 6,915,768.32, 9,534,886.75 and 5,670,791.24 is: 7,818,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,768.32 : 9,534,886.75 = 5,670,791.24 : x
  2. Step 2: Convert to fraction form
    6,915,768.32/9,534,886.75 = 5,670,791.24/x
  3. Step 3: Cross multiply
    6,915,768.32x = 9,534,886.75 × 5,670,791.24
  4. Step 4: Simplify right side
    6,915,768.32x = 54,070,352,215,706.13
  5. Step 5: Solve for x
    x = 54,070,352,215,706.13/6,915,768.32
  6. Step 6: Final answer
    x = 7,818,415.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.